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Octagon: Museum of the American Architectural Foundation
1799 New York Ave.
Washington, DC 20006 USA
Phone 202-638-3221 ~ Fax 202-626-7420
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Olana State Historic Site
5720 State Route 9G
Hudson, NY 12534 USA
Phone 518-237-8643 x 3237 ~ Fax 518-235-4248